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38087257272 = 23319471777121
BaseRepresentation
bin100011011110001011…
…010110110010111000
310122022100220010202020
4203132023112302320
51111000314213042
625255210034440
72515560226251
oct433613266270
9118270803666
1038087257272
111517529a129
12746b418a20
13378ca0992c
141bb4547b28
15ecdb0d3ec
hex8de2d6cb8

38087257272 has 64 divisors (see below), whose sum is σ = 102362227200. Its totient is φ = 11771642880.

The previous prime is 38087257259. The next prime is 38087257277. The reversal of 38087257272 is 27275278083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38087257277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867129 + ... + 909992.

It is an arithmetic number, because the mean of its divisors is an integer number (1599409800).

Almost surely, 238087257272 is an apocalyptic number.

It is an amenable number.

38087257272 is an abundant number, since it is smaller than the sum of its proper divisors (64274969928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38087257272 is a wasteful number, since it uses less digits than its factorization.

38087257272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777196 (or 1777192 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 38087257272 in words is "thirty-eight billion, eighty-seven million, two hundred fifty-seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 19 24 38 47 57 76 94 114 141 152 188 228 282 376 456 564 893 1128 1786 2679 3572 5358 7144 10716 21432 1777121 3554242 5331363 7108484 10662726 14216968 21325452 33765299 42650904 67530598 83524687 101295897 135061196 167049374 202591794 250574061 270122392 334098748 405183588 501148122 668197496 810367176 1002296244 1586969053 2004592488 3173938106 4760907159 6347876212 9521814318 12695752424 19043628636 38087257272